20. Aluminum prices too high?

Let's reinstitute returnable glass bottles. It would benefit the planet as well as the health of pop drinkers and general public. It could be practiced on a regional basis, keeping transportation costs down. It would make people feel better about doing a bit to help out. It would make us all think before tossing out yet another quickly emptied container. Thoughts? Oh yeah, might save Pepsico a precious penny or two.